42-039-03979
Final CompletionOLD OCEAN UNIT
BRAZORIA County · District 3 · HILCORP ENERGY COMPANY · OLD OCEAN (LARSEN)
Permits
4
Max Depth
10,865 ft
First Permit
1998-07-28
Latest Activity
2009-06-18
Lifespan
11 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
—
Production Summary Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
1993-01
Last Production
2026-07
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (4) Elevation 36 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CHENAULT | 9,543 ft | -9,507 ft |
| ARMSTRONG | 9,824 ft | -9,788 ft |
| CAMPBELL | 10,304 ft | -10,268 ft |
| LARSON | 10,453 ft | -10,417 ft |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗
Perforations (4)
| Interval | Type |
|---|---|
| 8,698–8,702 ft | Perforated |
| 9,552–9,564 ft | Perforated |
| 9,918–9,948 ft | Perforated |
| 10,623–10,820 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,500 ft | — |
| 9.625" | 6,994 ft | — |
| 7" | 10,504 ft | 1,000 sx |
| 7" | 10,507 ft | 1,000 sx |
Permit History (4)
OLD OCEAN UNIT · 10,865 ft
2009-06-18
Spud 2008-08-29
OLD OCEAN UNIT · 10,865 ft
2008-09-23
Spud 2008-08-29
OLD OCEAN UNIT · 9,626 ft
2002-12-23
OLD OCEAN UNIT · 10,210 ft
1998-07-28
Spud 1998-07-01
Applications (4)
Records & Logs
12 completion filings on record · 4 with log images at RRC.
+6 more filings
Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 111
- Max Depth
- 10,865 ft
- Drill Type
- Vertical
- County
- BRAZORIA
- District
- 3
- Operator
- HILCORP ENERGY COMPANY
Operator
- Name
- HILCORP ENGY CO
- Location
- HOUSTON
- P-5 Status
- X (filed 2026-03-27)
- Cum Oil (all leases)
- 75,699,281 bbl
- Cum Gas (all leases)
- 1,779,939,645 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 3,428